Put a digit on your markers, 0 to 9. Then keep your markers in 10 piles, one for each digit. Use a marker that corresponds to the last digit of the house number.
For instance, 302 Somehwere Ln would get a "2" marker. 1179 Elm St. Would get a "9" marker. That should eliminate most of the ambiguity.
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Make a laminated sheet ala
@flash
Ok I wanted to take my DPS to the street today because I hardly had any flats.( I have a dual pedal suv/POV ) How do you do pkg markers?! I get lots of of them. It would take forever to hunt and peck to mark it in my DPS. Same with sticky notes. Any ideas? Tried pkg look ahead but it always has...
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Just put them in order and remember the next one.
Good Luck!
C$$